Development of a PtSn bimetallic catalyst for direct fuel cells using bio-butanol fuel

a
Centre for the Theory and Application of catalysis (CenTACat), School of Chemistry and Chemical Engineering, Queens University of Belfast, Belfast-BT95AG, UK
E-mail:w.lin@qub.ac.uk, c.hardacre@qub.ac.uk

c
Department of Chemistry, University of Southampton, High field, Southampton-SO17 1BJ, UK

Abstract

Pt and PtSn catalysts were studied for n-butanol electro-oxidation at various temperatures. PtSn showed a higher activity towards butanol electro-oxidation compared to Pt in acidic media. The onset potential for n-butanol oxidation on PtSn is ∼520 mV lower than that found on Pt, and significantly lower activation energy was found for PtSn compared with that for Pt.

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